A low-cost alternative scheme to detect a 100 Gbps PM-DQPSK signal

Chen, Xiaoyong and Rodríguez Horche, Paloma and Minguez, A.M. (2014). A low-cost alternative scheme to detect a 100 Gbps PM-DQPSK signal. "Photonic Network Communications", v. 28 (n. 3); pp. 203-213. ISSN 1387-974X. https://doi.org/10.1007/s11107-014-0441-7.

Description

Title: A low-cost alternative scheme to detect a 100 Gbps PM-DQPSK signal
Author/s:
  • Chen, Xiaoyong
  • Rodríguez Horche, Paloma
  • Minguez, A.M.
Item Type: Article
Título de Revista/Publicación: Photonic Network Communications
Date: December 2014
ISSN: 1387-974X
Volume: 28
Subjects:
Freetext Keywords: Differential quadrature phase shift keying (DQPSK), polarization maintaining fiber (PMF), optical communications, optical receiver
Faculty: E.T.S.I. Telecomunicación (UPM)
Department: Tecnología Fotónica y Bioingeniería
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

We propose and demonstrate a low-cost alternative scheme of direct-detection to detect a 100Gbps polarization-multiplexed differential quadrature phase-shift keying (PM-DQPSK) signal. The proposed scheme is based on a delay line and a polarization rotator; the phase-shift keying signal is first converted into a polarization shift keying signal. Then, this signal is converted into an intensity modulated signal by a polarization beam splitter. Finally, the intensity-modulated signal is detected by balanced photodetectors. In order to demonstrate that our proposed receiver is suitable for using as a PM-DQPSK demodulator, a set of simulations have been performed. In addition to testing the sensitivity, the performance under various impairments, including narrow optical filtering, polarization mode dispersion, chromatic dispersion and polarization sensitivity, is analyzed. The simulation results show that our performance receiver is as good as a conventional receiver based on four delay interferometers. Moreover, in comparison with the typical receiver, fewer components are used in our receiver. Hence, implementation is easier, and total cost is reduced. In addition, our receiver can be easily improved to a bit-rate tunable receiver.

More information

Item ID: 36199
DC Identifier: http://oa.upm.es/36199/
OAI Identifier: oai:oa.upm.es:36199
DOI: 10.1007/s11107-014-0441-7
Official URL: http://link.springer.com/article/10.1007/s11107-014-0441-7
Deposited by: Memoria Investigacion
Deposited on: 04 Jul 2015 07:21
Last Modified: 01 Jan 2016 23:56
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